41.  It seemed that we could get fresh water from everwhere .

42.  At present, most people believe that the fresh water can be got for ever.

43.  Because they believe that when it rains, we have water, and we can get water from the river and the well .

44.  For example, we can get fresh water from rivers and wells.

45.  We might get fresh water from it in some way.

46.  Third, fresh water can be got by digging wells.

47.  There are so much rain every year and we have a lot of rivers and wells from which we can get fresh water.

48.  In fact, we can get fresh water from many ways: rain , river , spring ,.

49.  We can get water from rain, rivers, and wells, and so on.

50.  For example, they find the iceberg is made up of fresh water, we can tranffer it to hot place then we can get fresh water .